listener.tcp.CONFIG = VAL, or even for a specific listener
listener.tcp.LISTENER.CONFIG = VAL. The placeholder
LISTENERis freely chosen and is only used as a reference for further configuring this particular listener.
3,4,5are the protocol level versions corresponding to MQTT 3.1, 3.1.1 and 5.0 respectively. The default value is
3,4thus allowing MQTT 3.1 and 3.1.1, while MQTT 5.0 is disabled.
defaultand can be used for further configuring this particular listener. The following example demonstrates how an additional listener is defined as well as how the maximum number of connections can be limited for this listener:
listener.tcp.proxy_protocol = onor for a specific listener use
listener.tcp.LISTENER.proxy_protocol = on.
listener.tcp.proxy_protocol_use_cn_as_username = onwhich will overwrite the MQTT username set by the client with the common name from the client certificate before authentication and authorization is performed.
wssas the protocol identifier e.g.